Heart Structure & Function in 5 mins | GCSE | IGCSE | NEET | Biology

Описание: #StructureofHeart #FunctionofHeart #HeartAnatomy #NEETbiology #GCSEbiology #IGCSEbiology #CBSEbiology #Biology

Heart Structure , Function & Anatomy | Atriums & Ventricles | Biology | NEET | GCSE | IGCSE.

The human heart is a finely tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of the center.

The heart beats around 100,000 times a day, pumping approximately 8 pints of blood throughout the body 24/7. This delivers oxygen- and nutrient-rich blood to tissues and organs and carries away waste. The heart sends deoxygenated blood to the lungs, where the blood loads up with oxygen and unloads carbon dioxide, a waste product of metabolism.

Together, the heart, blood, and blood vessels - arteries, capillaries, and veins - make up the circulatory system.

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